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运用灰色灾变预测理论与方法，建立了灰色灾变预测模型：（ＧＭ１．１）—＾Ｘ（１）（Ｋ＋１）＝１８．２５００ｅ０．１９９３３５５４ｋ－１５．２５００。经实践证明，该模型精度极高，预测准确
By using the theories and methods of gray catastrophe prediction, a gray catastrophe prediction model is established: (GM1.1) - ^ X (1) (K + 1) = 18.2500e0.19933554k-15.2500. Proved by practice, the model has high precision and accurate prediction